What is responsible for the communication system of the body?

a. Neurons
b. Nerves
c. Hormones
d. None of these

Explanation: Neurons are responsible for transmitting signals in the nervous system.

Which is the largest gland in the human body?

a. Thyroid
b. Liver
c. Pancreas
d. None of these

Explanation: The liver is the largest gland in the human body.

The water potential of pure water is:

a. One
b. Less than zero
c. Zero
d. More than one

Explanation: The water potential of pure water is defined as zero.

Pollen grains are produced by:

a. Stigma
b. Ovary
c. Petal
d. Anther

Explanation: Pollen grains are produced in the anther, which is part of the stamen.

Which part of the ear belongs to hearing?

a. Cochlea
b. Ossicle
c. Pinna
d. Eardrum

Explanation: The cochlea is the part of the inner ear responsible for hearing.

Stephen Hawking was suffering from which disease?

a. Amyotrophic Lateral Sclerosis (ALS)
b. Acute Flaccid Myelitis
c. Chronic Obstructive Pulmonary Disease (COPD)
d. None of these

Explanation: Stephen Hawking suffered from ALS, a neurodegenerative disease that affects motor functions.

Goitre is caused due to the deficiency of:

a. Potassium
b. Vitamin D
c. Iodine
d. Protein

Explanation: Goitre is an enlargement of the thyroid gland, commonly caused by iodine deficiency.

The theory of evolution was given by who amongst these?

a. Darwin
b. Mendel
c. Mendeleev
d. Dalton

Explanation: Charles Darwin proposed the theory of evolution by natural selection.

What is the Central Nervous System composed of?

a. Brain, Spinal Cord, and Nerves
b. Cerebrum, Thalamus, and Hypothalamus
c. Cerebrum, Pons, and Medulla oblongata
d. Cerebellum, Brain, and Nerves

Explanation: The Central Nervous System (CNS) consists of the brain, spinal cord, and nerves.